How to take a panoramic photo from my iPhone?

Follow these steps: 

1. Open the Camera app on your iphone 
2. Select Pano mode by swiping left until you find it
3. Tap the shutter button to start the panorama
4. Slowly pan your phone in the direction of the arrow, keeping the arrow aligned with the yellow center line on the screen. 
5. Tap the shutter button again to stop and finish the photo.